The Blue Whale Is The Largest Animal On Earth—Ever
If most people had to guess the largest animal that ever existed, they would probably name some long extinct creature like a mammoth or dinosaur. However, the largest creature isn’t extinct. It’s the blue whale, which can reach over 30 meters (100 ft) and weigh 180,000 kilograms (400,000 lbs). A blue whale’s heart can be as big as a small car and beats loud enough to bedetected from 3,000 meters (2 mi) away. Its mouth is big enough to fit 100 people, and its arteries are so big that a basketball could float through them.
And according to science, it’s getting even bigger. Don’t panic—the increased growth isn’t due to a toxic spill or gamma rays. It’s just good old global warming. Thanks to warmer ocean currents increasing the amount of krill found in their habitat, they’re bucking the trend of other mammals by growing instead of shrinking.
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